Initial commit
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
244
casadm/extended_err_msg.c
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244
casadm/extended_err_msg.c
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/*
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* Copyright(c) 2012-2019 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause-Clear
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*/
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#include <stdint.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdlib.h>
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#include "safeclib/safe_lib.h"
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#include <cas_ioctl_codes.h>
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#include "extended_err_msg.h"
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struct {
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int cas_error;
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const char *msg;
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} static cas_error_code_map[] = {
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/* IOC error mappings*/
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{
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OCF_ERR_INVAL,
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"Invalid input parameter"
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},
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{
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OCF_ERR_INVAL_VOLUME_TYPE,
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"Invalid volume type"
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},
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{
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OCF_ERR_INTR,
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"Interrupted by a signal"
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},
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{
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OCF_ERR_UNKNOWN,
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"Unknown error occurred"
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},
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{
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OCF_ERR_TOO_MANY_CACHES,
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"Too many caches"
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},
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{
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OCF_ERR_NO_MEM,
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"Not enough memory to allocate a new cache device"
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},
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{
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OCF_ERR_NO_FREE_RAM,
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"Not enough free RAM for cache metadata to start cache"
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},
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{
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OCF_ERR_START_CACHE_FAIL,
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"Failed to insert cache"
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},
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{
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OCF_ERR_CACHE_IN_USE,
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"At least one cas device is still in use"
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},
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{
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OCF_ERR_CACHE_NOT_EXIST,
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"Cache ID does not exist"
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},
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{
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OCF_ERR_CACHE_EXIST,
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"Cache ID already exists"
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},
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{
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OCF_ERR_TOO_MANY_CORES,
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"Too many core devices in cache"
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},
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{
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OCF_ERR_CORE_NOT_AVAIL,
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"Core device not available"
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},
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{
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OCF_ERR_CACHE_NOT_AVAIL,
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"Cache device not available"
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},
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{
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OCF_ERR_IO_CLASS_NOT_EXIST,
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"No such IO class ID in the cache"
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},
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{
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OCF_ERR_WRITE_CACHE,
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"Error while writing to cache device"
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},
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{
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OCF_ERR_WRITE_CORE,
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"Error while writing to core device"
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},
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{
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OCF_ERR_DIRTY_SHUTDOWN,
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"Please use --load option to restore previous cache state "
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"(Warning: data corruption may happen)\nOr initialize your "
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"cache using --force option. Warning: All dirty data will be "
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"lost!\n"
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},
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{
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OCF_ERR_DIRTY_EXISTS,
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"Cache closed with dirty data.\nPlease start cache using "
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"--load or --force option.\n"
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},
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{
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OCF_ERR_FLUSHING_INTERRUPTED,
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"Flushing of core interrupted"
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},
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{
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OCF_ERR_CANNOT_ADD_CORE_TO_POOL,
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"Error occurred during adding core device to core pool"
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},
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{
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OCF_ERR_CACHE_IN_INCOMPLETE_STATE,
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"Cache is in incomplete state - at least one core is inactive"
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},
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{
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OCF_ERR_CORE_IN_INACTIVE_STATE,
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"Core device is in inactive state"
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},
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{
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OCF_ERR_NOT_OPEN_EXC,
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"Cannot open device exclusively"
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},
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/* CAS kernel error mappings*/
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{
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KCAS_ERR_ROOT,
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"Must be root"
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},
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{
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KCAS_ERR_SYSTEM,
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"System Error"
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},
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{
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KCAS_ERR_BAD_RANGE,
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"Range parameters are invalid"
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},
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{
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KCAS_ERR_DEV_SPACE,
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"Illegal range, out of device space"
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},
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{
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KCAS_ERR_INV_IOCTL,
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"Invalid ioctl"
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},
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{
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KCAS_ERR_DEV_PENDING,
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"Device opens or mount are pending to this cache"
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},
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{
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KCAS_ERR_DIRTY_EXISTS_NVME,
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"Cache device contains dirty data.\nIf you want to format it, "
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"please use --force option.\nWarning: all data will be lost!"
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},
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{
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KCAS_ERR_FILE_EXISTS,
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"Could not create exported object because file in /dev "
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"directory exists"
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},
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{
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KCAS_ERR_IN_UPGRADE,
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"Operation not allowed. CAS is in upgrade state"
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},
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{
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KCAS_ERR_UNALIGNED,
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"Cache device logical sector size is greater than core device "
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"logical sector size.\nConsider changing logical sector size "
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"on current cache device \nor try other device with the same "
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"logical sector size as core device."
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},
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{
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KCAS_ERR_NO_STORED_CONF,
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"Internal kernel module error" },
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{
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KCAS_ERR_ROLLBACK,
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"Cannot restore previous configuration"
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},
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{
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KCAS_ERR_NOT_NVME,
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"Given block device is not NVMe"
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},
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{
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KCAS_ERR_FORMAT_FAILED,
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"Failed to format NVMe device"
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},
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{
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KCAS_ERR_NVME_BAD_FORMAT,
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"NVMe is formatted to unsupported format"
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},
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{
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KCAS_ERR_CONTAINS_PART,
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"Device contains partitions.\nIf you want to continue, "
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"please use --force option.\nWarning: all data will be lost!"
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},
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{
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KCAS_ERR_A_PART,
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"Formatting of partition is unsupported."
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},
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{
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KCAS_ERR_REMOVED_DIRTY,
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"Flush error occured. Core has been set to detached state.\n"
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"Warning: Core device may contain inconsistent data.\n"
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"To access your data please add core back to the cache."
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},
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{
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KCAS_ERR_STOPPED_DIRTY,
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"Cache has been stopped with flushing error.\n"
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"Warning: Core devices may contain inconsistent data.\n"
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"To access your data, please start cache with --load option."
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},
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{
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KCAS_ERR_NO_CACHE_ATTACHED,
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"Operation not allowed. Caching device is not attached."
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},
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{
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KCAS_ERR_CORE_POOL_NOT_EMPTY,
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"Operation not allowed. Core pool is not empty."
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},
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{
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KCAS_ERR_CLS_RULE_UNKNOWN_CONDITION,
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"Unexpected classification rule condition"
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},
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{
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KCAS_ERR_CLS_RULE_INVALID_SYNTAX,
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"Invalid classification rule syntax"
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},
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};
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const char *cas_strerr(int cas_error_code)
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{
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int i;
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int count = sizeof(cas_error_code_map) / sizeof(cas_error_code_map[0]);
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if (cas_error_code == 0)
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return NULL; /* No Error */
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cas_error_code = abs(cas_error_code);
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for (i = 0; i < count; i++) {
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if (cas_error_code_map[i].cas_error == cas_error_code)
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return cas_error_code_map[i].msg;
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}
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return strerror(cas_error_code);
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}
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